jsonschema-benchmark krakend case does not compile

[zx80]

See krakend schema.

docker run --rm -v .:/workspace ghcr.io/sourcemeta/jsonschema:latest --version
# 11.8.1
docker run --rm -v .:/workspace ghcr.io/sourcemeta/jsonschema:latest compile -f -m schemas/krakend/schema.json 
# error: Could not resolve schema reference
#   file:///workspace/schemas/krakend/schema.json#/definitions/https%3A~1~1www.krakend.io~1schema~1v2.7~1backend.json
#     at schema location "/definitions/https:~1~1www.krakend.io~1schema~1v2.7~1async_agent.json/items/properties/backend/items/$ref"